/*
 * This file is part of the eccOS Library.
 * Copyright (C) 2007.
 *
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 */
package org.openeccos;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import nextapp.echo2.webcontainer.WebContainerServlet;

/**
 * Basic eccOS servlet, provides the key of the session
 */
public abstract class EccosServlet extends WebContainerServlet {

	private static final String USER_INSTANCE_SESSION_KEY_PREFIX = "Echo2UserInstance";
	private static String SERVLET_NAME = null;
	public final static String BROWSER_SESSION = "BROWSER_SESSION";

	@Override
	protected void process(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
		if (SERVLET_NAME == null) {
			SERVLET_NAME = getServletName();
		}
		super.process(request, response);
	}

	public String getSessionKey() {
		return USER_INSTANCE_SESSION_KEY_PREFIX + ":" + SERVLET_NAME;
	}
}
